GeForce GT 610 and GeForce GTX 660M Mac Edition - video card comparison
GeForce GT 610
GeForce GTX 660M Mac Edition
Architecture
Fermi 2.0 (2010−2014)
Kepler (2012−2018)
GPU code name
GF119
GK107
Market segment
Desktop
Desktop
Release date
April 2012
April 2013
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
None
None
Core clock speed
810 MHz
950 MHz
CUDA cores
48
-
Floating-point performance
155.5 gflops
729.6 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
292 million
1,270 million
Pipelines / CUDA cores
48
384
Power consumption (TDP)
29 Watt
50 Watt
Maximum GPU temperature
102 °C
-
Texture fill rate
6.5 billion/sec
30.40
Memory type
DDR3
GDDR5
Maximum RAM amount
1024 MB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1.8 GB/s
5000 MHz
Memory bandwidth
14.4 GB/s
80 GB/s
Display Connectors
Dual Link DVI-I, HDMI, VGA
No outputs
Multi monitor support
+
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
3.0
OpenCL
1.1
1.2
OpenGL
4.2
4.6
Shader Model
5.1
5.1
Vulkan
N/A
1.1.126
3D Blu-Ray
+
-